8-32 x 1/2 6-Lobe Pan Taptite Alternative Thread Rolling Screw Fully Thrd Black Oxide & Wax M-PTTFA2 It has a square head

It has a square head with a washer face and a fully threaded body

Its compact size allows for easy installation in confined spaces

This provides a greater holding power than screws with only partial threads

The thread rolling design creates strong threads that resist stripping and provide excellent holding power

and a 4-inch length

8-32 x 1/2 6-Lobe Pan Taptite Alternative Thread Rolling Screw Fully Thrd Black Oxide & Wax M-PTTFA2 It has a square head8 32 x 1 2 6 Lobe Pan Taptite Alternative Thread Rolling Screw, Fully Threaded, Black Oxide & Wax: Designed for use in metal applications, providing strong and reliable fastening. Features a 6 lobe pan head with a Phillips drive for easy installation. Thread rolling design creates strong threads in the mating material, eliminating the need for tapping. Fully threaded for maximum holding power. Black oxide finish with wax coating enhances corrosion